<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>404 - 页面未找到</title>
    <!-- Bootstrap CSS -->
    <link rel="stylesheet" href="../static/css/bootstrap.min.css">
    <!-- Custom CSS -->
    <style>
        body {
            height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-direction: column;
        }
    </style>
</head>

<body>
    <div class="container text-center">
        <h1 class="display-4">404</h1>
        <p class="lead">抱歉，您请求的页面不存在</p>
        <p>可能是因为：</p>
        <ul class="list-unstyled">
            <li>您输入的链接有误</li>
            <li>页面已被删除或者移动</li>
        </ul>
        <a class="btn btn-primary" href="/">返回主页</a>
    </div>
</body>

</html>
